1168991352 has 48 divisors (see below), whose sum is σ = 3283283640. Its totient is φ = 389663136.

The previous prime is 1168991347. The next prime is 1168991381. The reversal of 1168991352 is 2531998611.

It is a junction number, because it is equal to n+sod(n) for n = 1168991298 and 1168991307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298723 + ... + 302610.

Almost surely, 2^1168991352 is an apocalyptic number.

1168991352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1168991352 is an abundant number, since it is smaller than the sum of its proper divisors (2114292288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1168991352 is an equidigital number, since it uses as much as digits as its factorization.

1168991352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601354 (or 601338 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 1168991352 is about 34190.5155269703. The cubic root of 1168991352 is about 1053.4253523021.

It can be divided in two parts, 11689 and 91352, that added together give a square (103041 = 321²).

The spelling of 1168991352 in words is "one billion, one hundred sixty-eight million, nine hundred ninety-one thousand, three hundred fifty-two".